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Two unidentified children stand amidst the Pozolan Mines in Porto Novo.

An unidentified woman stands beneath a sign that translates to:
"In 1947, Emilio Santiago discovered and identified the existence of pozolan in the landscape of Cape Verde. With 93 years, Luiz C. Santiago selflessly and courageously made the…

Pozolan is a naturally occurring fly ash which is an additive to cement. It reportedly enhances cement's ability to withstand the corrosive effect of sea water, and is therefore used extensively in the construction of marine docks.

Pozolan is a naturally occurring fly ash which is an additive to cement. It reportedly enhances cement's ability to withstand the corrosive effect of sea water, and is therefore used extensively in the construction of marine docks.

Pozolan fills…

Pozolan is a naturally occurring fly ash which is an additive to cement. It reportedly enhances cement's ability to withstand the corrosive effect of sea water, and is therefore used extensively in the construction of marine docks.

Pozolan is a naturally occurring fly ash which is an additive to cement. It reportedly enhances cement's ability to withstand the corrosive effect of sea water, and is therefore used extensively in the construction of marine docks.

Pozolan is a naturally occurring fly ash which is an additive to cement. It reportedly enhances cement's ability to withstand the corrosive effect of sea water, and is therefore used extensively in the construction of marine docks.

Pozolan is a naturally occurring fly ash which is an additive to cement. It reportedly enhances cement's ability to withstand the corrosive effect of sea water, and is therefore used extensively in the construction of marine docks.

Pozolan is a naturally occurring fly ash which is an additive to cement. It reportedly enhances cement's ability to withstand the corrosive effect of sea water, and is therefore used extensively in the construction of marine docks.

Pozolan is a naturally occurring fly ash which is an additive to cement. It reportedly enhances cement's ability to withstand the corrosive effect of sea water, and is therefore used extensively in the construction of marine docks.

Pozolan is a naturally occurring fly ash which is an additive to cement. It reportedly enhances cement's ability to withstand the corrosive effect of sea water, and is therefore used extensively in the construction of marine docks.